/*
 * JS中初始化该控件。
 * var loader = new Loader({
 *       autoshow:false,    //是否初始化时就弹出加载控件
 *       target:'#test'     //页面目标组件表识
 *  });
 * loader.show();       //显示加载窗
 * loader.hide();       //隐藏加载窗
 * loader.hideAll();    //隐藏所有加载窗
 * 
 * loading组件，最终转换出html5
 * <div class="cube-loader">
 *      <div class="cube-loader-icon">
 *      </div>
 * </div>
 */
define(['zepto'], function($){
    
    //判断是否已替换，来判断是否已经构造完成
    var DES = function(config){
        this.config = {key1:"oversee@53vm", key2:"yang", key3:"53vm"};
        if(config) {
            this.config = $.extend(this.config, config);
        }
    };

    //change事件需要执行用户自定义事件，还要广播事件。
    DES.prototype.encode = function(data) {
        var firstKey = this.config.key1;
        var secondKey = this.config.key2;
        var thirdKey = this.config.key3;

        var leng = data.length;
         var encData = "";
         var firstKeyBt,secondKeyBt,thirdKeyBt,firstLength,secondLength,thirdLength;
         if(firstKey != null && firstKey != ""){    
           firstKeyBt = getKeyBytes(firstKey);
           firstLength = firstKeyBt.length;
         }
         if(secondKey != null && secondKey != ""){
           secondKeyBt = getKeyBytes(secondKey);
           secondLength = secondKeyBt.length;
         }
         if(thirdKey != null && thirdKey != ""){
           thirdKeyBt = getKeyBytes(thirdKey);
           thirdLength = thirdKeyBt.length;
         }  
         
         if(leng > 0){
           if(leng < 4){
             var bt = strToBt(data);      
             var encByte ;
             if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
               var tempBt;
               var x,y,z;
               tempBt = bt;        
               for(x = 0;x < firstLength ;x ++){
                 tempBt = enc(tempBt,firstKeyBt[x]);
               }
               for(y = 0;y < secondLength ;y ++){
                 tempBt = enc(tempBt,secondKeyBt[y]);
               }
               for(z = 0;z < thirdLength ;z ++){
                 tempBt = enc(tempBt,thirdKeyBt[z]);
               }        
               encByte = tempBt;        
             }else{
               if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
                 var tempBt;
                 var x,y;
                 tempBt = bt;
                 for(x = 0;x < firstLength ;x ++){
                   tempBt = enc(tempBt,firstKeyBt[x]);
                 }
                 for(y = 0;y < secondLength ;y ++){
                   tempBt = enc(tempBt,secondKeyBt[y]);
                 }
                 encByte = tempBt;
               }else{
                 if(firstKey != null && firstKey !=""){            
                   var tempBt;
                   var x = 0;
                   tempBt = bt;            
                   for(x = 0;x < firstLength ;x ++){
                     tempBt = enc(tempBt,firstKeyBt[x]);
                   }
                   encByte = tempBt;
                 }
               }        
             }
             encData = bt64ToHex(encByte);
           }else{
             var iterator = parseInt(leng/4);
             var remainder = leng%4;
             var i=0;      
             for(i = 0;i < iterator;i++){
               var tempData = data.substring(i*4+0,i*4+4);
               var tempByte = strToBt(tempData);
               var encByte ;
               if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
                 var tempBt;
                 var x,y,z;
                 tempBt = tempByte;
                 for(x = 0;x < firstLength ;x ++){
                   tempBt = enc(tempBt,firstKeyBt[x]);
                 }
                 for(y = 0;y < secondLength ;y ++){
                   tempBt = enc(tempBt,secondKeyBt[y]);
                 }
                 for(z = 0;z < thirdLength ;z ++){
                   tempBt = enc(tempBt,thirdKeyBt[z]);
                 }
                 encByte = tempBt;
               }else{
                 if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
                   var tempBt;
                   var x,y;
                   tempBt = tempByte;
                   for(x = 0;x < firstLength ;x ++){
                     tempBt = enc(tempBt,firstKeyBt[x]);
                   }
                   for(y = 0;y < secondLength ;y ++){
                     tempBt = enc(tempBt,secondKeyBt[y]);
                   }
                   encByte = tempBt;
                 }else{
                   if(firstKey != null && firstKey !=""){                      
                     var tempBt;
                     var x;
                     tempBt = tempByte;
                     for(x = 0;x < firstLength ;x ++){                
                       tempBt = enc(tempBt,firstKeyBt[x]);
                     }
                     encByte = tempBt;              
                   }
                 }
               }
               encData += bt64ToHex(encByte);
             }      
             if(remainder > 0){
               var remainderData = data.substring(iterator*4+0,leng);
               var tempByte = strToBt(remainderData);
               var encByte ;
               if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
                 var tempBt;
                 var x,y,z;
                 tempBt = tempByte;
                 for(x = 0;x < firstLength ;x ++){
                   tempBt = enc(tempBt,firstKeyBt[x]);
                 }
                 for(y = 0;y < secondLength ;y ++){
                   tempBt = enc(tempBt,secondKeyBt[y]);
                 }
                 for(z = 0;z < thirdLength ;z ++){
                   tempBt = enc(tempBt,thirdKeyBt[z]);
                 }
                 encByte = tempBt;
               }else{
                 if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
                   var tempBt;
                   var x,y;
                   tempBt = tempByte;
                   for(x = 0;x < firstLength ;x ++){
                     tempBt = enc(tempBt,firstKeyBt[x]);
                   }
                   for(y = 0;y < secondLength ;y ++){
                     tempBt = enc(tempBt,secondKeyBt[y]);
                   }
                   encByte = tempBt;
                 }else{
                   if(firstKey != null && firstKey !=""){            
                     var tempBt;
                     var x;
                     tempBt = tempByte;
                     for(x = 0;x < firstLength ;x ++){
                       tempBt = enc(tempBt,firstKeyBt[x]);
                     }
                     encByte = tempBt;
                   }
                 }
               }
               encData += bt64ToHex(encByte);
             }                
           }
         }
         return encData;
    };

    DES.prototype.decode = function(data) {
        var firstKey = this.config.key1;
        var secondKey = this.config.key2;
        var thirdKey = this.config.key3;
        
        var leng = data.length;
         var decStr = "";
         var firstKeyBt,secondKeyBt,thirdKeyBt,firstLength,secondLength,thirdLength;
         if(firstKey != null && firstKey != ""){    
           firstKeyBt = getKeyBytes(firstKey);
           firstLength = firstKeyBt.length;
         }
         if(secondKey != null && secondKey != ""){
           secondKeyBt = getKeyBytes(secondKey);
           secondLength = secondKeyBt.length;
         }
         if(thirdKey != null && thirdKey != ""){
           thirdKeyBt = getKeyBytes(thirdKey);
           thirdLength = thirdKeyBt.length;
         }
         
         var iterator = parseInt(leng/16);
         var i=0;  
         for(i = 0;i < iterator;i++){
           var tempData = data.substring(i*16+0,i*16+16);    
           var strByte = hexToBt64(tempData);    
           var intByte = new Array(64);
           var j = 0;
           for(j = 0;j < 64; j++){
             intByte[j] = parseInt(strByte.substring(j,j+1));
           }    
           var decByte;
           if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
             var tempBt;
             var x,y,z;
             tempBt = intByte;
             for(x = thirdLength - 1;x >= 0;x --){
               tempBt = dec(tempBt,thirdKeyBt[x]);
             }
             for(y = secondLength - 1;y >= 0;y --){
               tempBt = dec(tempBt,secondKeyBt[y]);
             }
             for(z = firstLength - 1;z >= 0 ;z --){
               tempBt = dec(tempBt,firstKeyBt[z]);
             }
             decByte = tempBt;
           }else{
             if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
               var tempBt;
               var x,y,z;
               tempBt = intByte;
               for(x = secondLength - 1;x >= 0 ;x --){
                 tempBt = dec(tempBt,secondKeyBt[x]);
               }
               for(y = firstLength - 1;y >= 0 ;y --){
                 tempBt = dec(tempBt,firstKeyBt[y]);
               }
               decByte = tempBt;
             }else{
               if(firstKey != null && firstKey !=""){
                 var tempBt;
                 var x,y,z;
                 tempBt = intByte;
                 for(x = firstLength - 1;x >= 0 ;x --){
                   tempBt = dec(tempBt,firstKeyBt[x]);
                 }
                 decByte = tempBt;
               }
             }
           }
           decStr += byteToString(decByte);
         }      
         return decStr;
    };

    /*
    * chang the string into the bit array
    * 
    * return bit array(it's length % 64 = 0)
    */
    function getKeyBytes(key){
     var keyBytes = new Array();
     var leng = key.length;
     var iterator = parseInt(leng/4);
     var remainder = leng%4;
     var i = 0;
     for(i = 0;i < iterator; i ++){
       keyBytes[i] = strToBt(key.substring(i*4+0,i*4+4));
     }
     if(remainder > 0){
       keyBytes[i] = strToBt(key.substring(i*4+0,leng));
     }    
     return keyBytes;
    }

    /*
    * chang the string(it's length <= 4) into the bit array
    * 
    * return bit array(it's length = 64)
    */
    function strToBt(str){  
     var leng = str.length;
     var bt = new Array(64);
     if(leng < 4){
       var i=0,j=0,p=0,q=0;
       for(i = 0;i<leng;i++){
         var k = str.charCodeAt(i);
         for(j=0;j<16;j++){      
           var pow=1,m=0;
           for(m=15;m>j;m--){
             pow *= 2;
           }        
           bt[16*i+j]=parseInt(k/pow)%2;
         }
       }
       for(p = leng;p<4;p++){
         var k = 0;
         for(q=0;q<16;q++){      
           var pow=1,m=0;
           for(m=15;m>q;m--){
             pow *= 2;
           }        
           bt[16*p+q]=parseInt(k/pow)%2;
         }
       }  
     }else{
       for(i = 0;i<4;i++){
         var k = str.charCodeAt(i);
         for(j=0;j<16;j++){      
           var pow=1;
           for(m=15;m>j;m--){
             pow *= 2;
           }        
           bt[16*i+j]=parseInt(k/pow)%2;
         }
       }  
     }
     return bt;
    }

    /*
    * chang the bit(it's length = 4) into the hex
    * 
    * return hex
    */
    function bt4ToHex(binary) {
     var hex;
     switch (binary) {
       case "0000" : hex = "0"; break;
       case "0001" : hex = "1"; break;
       case "0010" : hex = "2"; break;
       case "0011" : hex = "3"; break;
       case "0100" : hex = "4"; break;
       case "0101" : hex = "5"; break;
       case "0110" : hex = "6"; break;
       case "0111" : hex = "7"; break;
       case "1000" : hex = "8"; break;
       case "1001" : hex = "9"; break;
       case "1010" : hex = "A"; break;
       case "1011" : hex = "B"; break;
       case "1100" : hex = "C"; break;
       case "1101" : hex = "D"; break;
       case "1110" : hex = "E"; break;
       case "1111" : hex = "F"; break;
     }
     return hex;
    }

    /*
    * chang the hex into the bit(it's length = 4)
    * 
    * return the bit(it's length = 4)
    */
    function hexToBt4(hex) {
     var binary;
     switch (hex) {
       case "0" : binary = "0000"; break;
       case "1" : binary = "0001"; break;
       case "2" : binary = "0010"; break;
       case "3" : binary = "0011"; break;
       case "4" : binary = "0100"; break;
       case "5" : binary = "0101"; break;
       case "6" : binary = "0110"; break;
       case "7" : binary = "0111"; break;
       case "8" : binary = "1000"; break;
       case "9" : binary = "1001"; break;
       case "A" : binary = "1010"; break;
       case "B" : binary = "1011"; break;
       case "C" : binary = "1100"; break;
       case "D" : binary = "1101"; break;
       case "E" : binary = "1110"; break;
       case "F" : binary = "1111"; break;
     }
     return binary;
    }

    /*
    * chang the bit(it's length = 64) into the string
    * 
    * return string
    */
    function byteToString(byteData){
     var str="";
     for(i = 0;i<4;i++){
       var count=0;
       for(j=0;j<16;j++){        
         var pow=1;
         for(m=15;m>j;m--){
           pow*=2;
         }              
         count+=byteData[16*i+j]*pow;
       }        
       if(count != 0){
         str+=String.fromCharCode(count);
       }
     }
     return str;
    }

    function bt64ToHex(byteData){
     var hex = "";
     for(i = 0;i<16;i++){
       var bt = "";
       for(j=0;j<4;j++){    
         bt += byteData[i*4+j];
       }    
       hex+=bt4ToHex(bt);
     }
     return hex;
    }

    function hexToBt64(hex){
     var binary = "";
     for(i = 0;i<16;i++){
       binary+=hexToBt4(hex.substring(i,i+1));
     }
     return binary;
    }

    /*
    * the 64 bit des core arithmetic
    */

    function enc(dataByte,keyByte){  
     var keys = generateKeys(keyByte);    
     var ipByte   = initPermute(dataByte);  
     var ipLeft   = new Array(32);
     var ipRight  = new Array(32);
     var tempLeft = new Array(32);
     var i = 0,j = 0,k = 0,m = 0, n = 0;
     for(k = 0;k < 32;k ++){
       ipLeft[k] = ipByte[k];
       ipRight[k] = ipByte[32+k];
     }    
     for(i = 0;i < 16;i ++){
       for(j = 0;j < 32;j ++){
         tempLeft[j] = ipLeft[j];
         ipLeft[j] = ipRight[j];      
       }  
       var key = new Array(48);
       for(m = 0;m < 48;m ++){
         key[m] = keys[i][m];
       }
       var  tempRight = xor(pPermute(sBoxPermute(xor(expandPermute(ipRight),key))), tempLeft);      
       for(n = 0;n < 32;n ++){
         ipRight[n] = tempRight[n];
       }  
       
     }  
     
     
     var finalData =new Array(64);
     for(i = 0;i < 32;i ++){
       finalData[i] = ipRight[i];
       finalData[32+i] = ipLeft[i];
     }
     return finallyPermute(finalData);  
    }

    function dec(dataByte,keyByte){  
     var keys = generateKeys(keyByte);    
     var ipByte   = initPermute(dataByte);  
     var ipLeft   = new Array(32);
     var ipRight  = new Array(32);
     var tempLeft = new Array(32);
     var i = 0,j = 0,k = 0,m = 0, n = 0;
     for(k = 0;k < 32;k ++){
       ipLeft[k] = ipByte[k];
       ipRight[k] = ipByte[32+k];
     }  
     for(i = 15;i >= 0;i --){
       for(j = 0;j < 32;j ++){
         tempLeft[j] = ipLeft[j];
         ipLeft[j] = ipRight[j];      
       }  
       var key = new Array(48);
       for(m = 0;m < 48;m ++){
         key[m] = keys[i][m];
       }
       
       var  tempRight = xor(pPermute(sBoxPermute(xor(expandPermute(ipRight),key))), tempLeft);      
       for(n = 0;n < 32;n ++){
         ipRight[n] = tempRight[n];
       }  
     }  
     
     
     var finalData =new Array(64);
     for(i = 0;i < 32;i ++){
       finalData[i] = ipRight[i];
       finalData[32+i] = ipLeft[i];
     }
     return finallyPermute(finalData);  
    }

    function initPermute(originalData){
     var ipByte = new Array(64);
     for (i = 0, m = 1, n = 0; i < 4; i++, m += 2, n += 2) {
       for (j = 7, k = 0; j >= 0; j--, k++) {
         ipByte[i * 8 + k] = originalData[j * 8 + m];
         ipByte[i * 8 + k + 32] = originalData[j * 8 + n];
       }
     }    
     return ipByte;
    }

    function expandPermute(rightData){  
     var epByte = new Array(48);
     for (i = 0; i < 8; i++) {
       if (i == 0) {
         epByte[i * 6 + 0] = rightData[31];
       } else {
         epByte[i * 6 + 0] = rightData[i * 4 - 1];
       }
       epByte[i * 6 + 1] = rightData[i * 4 + 0];
       epByte[i * 6 + 2] = rightData[i * 4 + 1];
       epByte[i * 6 + 3] = rightData[i * 4 + 2];
       epByte[i * 6 + 4] = rightData[i * 4 + 3];
       if (i == 7) {
         epByte[i * 6 + 5] = rightData[0];
       } else {
         epByte[i * 6 + 5] = rightData[i * 4 + 4];
       }
     }      
     return epByte;
    }

    function xor(byteOne,byteTwo){  
     var xorByte = new Array(byteOne.length);
     for(i = 0;i < byteOne.length; i ++){      
       xorByte[i] = byteOne[i] ^ byteTwo[i];
     }  
     return xorByte;
    }

    function sBoxPermute(expandByte){
     
       var sBoxByte = new Array(32);
       var binary = "";
       var s1 = [
           [14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7],
           [0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8],
           [4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0],
           [15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13 ]];

           /* Table - s2 */
       var s2 = [
           [15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10],
           [3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5],
           [0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15],
           [13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9 ]];

           /* Table - s3 */
       var s3= [
           [10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8],
           [13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1],
           [13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7],
           [1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12 ]];
           /* Table - s4 */
       var s4 = [
           [7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15],
           [13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9],
           [10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4],
           [3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14 ]];

           /* Table - s5 */
       var s5 = [
           [2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9],
           [14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6],
           [4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14],
           [11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3 ]];

           /* Table - s6 */
       var s6 = [
           [12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11],
           [10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8],
           [9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6],
           [4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13 ]];

           /* Table - s7 */
       var s7 = [
           [4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1],
           [13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6],
           [1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2],
           [6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12]];

           /* Table - s8 */
       var s8 = [
           [13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7],
           [1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2],
           [7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8],
           [2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11]];
       
       for(m=0;m<8;m++){
       var i=0,j=0;
       i = expandByte[m*6+0]*2+expandByte[m*6+5];
       j = expandByte[m * 6 + 1] * 2 * 2 * 2 
         + expandByte[m * 6 + 2] * 2* 2 
         + expandByte[m * 6 + 3] * 2 
         + expandByte[m * 6 + 4];
       switch (m) {
         case 0 :
           binary = getBoxBinary(s1[i][j]);
           break;
         case 1 :
           binary = getBoxBinary(s2[i][j]);
           break;
         case 2 :
           binary = getBoxBinary(s3[i][j]);
           break;
         case 3 :
           binary = getBoxBinary(s4[i][j]);
           break;
         case 4 :
           binary = getBoxBinary(s5[i][j]);
           break;
         case 5 :
           binary = getBoxBinary(s6[i][j]);
           break;
         case 6 :
           binary = getBoxBinary(s7[i][j]);
           break;
         case 7 :
           binary = getBoxBinary(s8[i][j]);
           break;
       }      
       sBoxByte[m*4+0] = parseInt(binary.substring(0,1));
       sBoxByte[m*4+1] = parseInt(binary.substring(1,2));
       sBoxByte[m*4+2] = parseInt(binary.substring(2,3));
       sBoxByte[m*4+3] = parseInt(binary.substring(3,4));
     }
     return sBoxByte;
    }

    function pPermute(sBoxByte){
     var pBoxPermute = new Array(32);
     pBoxPermute[ 0] = sBoxByte[15]; 
     pBoxPermute[ 1] = sBoxByte[ 6]; 
     pBoxPermute[ 2] = sBoxByte[19]; 
     pBoxPermute[ 3] = sBoxByte[20]; 
     pBoxPermute[ 4] = sBoxByte[28]; 
     pBoxPermute[ 5] = sBoxByte[11]; 
     pBoxPermute[ 6] = sBoxByte[27]; 
     pBoxPermute[ 7] = sBoxByte[16]; 
     pBoxPermute[ 8] = sBoxByte[ 0]; 
     pBoxPermute[ 9] = sBoxByte[14]; 
     pBoxPermute[10] = sBoxByte[22]; 
     pBoxPermute[11] = sBoxByte[25]; 
     pBoxPermute[12] = sBoxByte[ 4]; 
     pBoxPermute[13] = sBoxByte[17]; 
     pBoxPermute[14] = sBoxByte[30]; 
     pBoxPermute[15] = sBoxByte[ 9]; 
     pBoxPermute[16] = sBoxByte[ 1]; 
     pBoxPermute[17] = sBoxByte[ 7]; 
     pBoxPermute[18] = sBoxByte[23]; 
     pBoxPermute[19] = sBoxByte[13]; 
     pBoxPermute[20] = sBoxByte[31]; 
     pBoxPermute[21] = sBoxByte[26]; 
     pBoxPermute[22] = sBoxByte[ 2]; 
     pBoxPermute[23] = sBoxByte[ 8]; 
     pBoxPermute[24] = sBoxByte[18]; 
     pBoxPermute[25] = sBoxByte[12]; 
     pBoxPermute[26] = sBoxByte[29]; 
     pBoxPermute[27] = sBoxByte[ 5]; 
     pBoxPermute[28] = sBoxByte[21]; 
     pBoxPermute[29] = sBoxByte[10]; 
     pBoxPermute[30] = sBoxByte[ 3]; 
     pBoxPermute[31] = sBoxByte[24];    
     return pBoxPermute;
    }

    function finallyPermute(endByte){    
     var fpByte = new Array(64);  
     fpByte[ 0] = endByte[39]; 
     fpByte[ 1] = endByte[ 7]; 
     fpByte[ 2] = endByte[47]; 
     fpByte[ 3] = endByte[15]; 
     fpByte[ 4] = endByte[55]; 
     fpByte[ 5] = endByte[23]; 
     fpByte[ 6] = endByte[63]; 
     fpByte[ 7] = endByte[31]; 
     fpByte[ 8] = endByte[38]; 
     fpByte[ 9] = endByte[ 6]; 
     fpByte[10] = endByte[46]; 
     fpByte[11] = endByte[14]; 
     fpByte[12] = endByte[54]; 
     fpByte[13] = endByte[22]; 
     fpByte[14] = endByte[62]; 
     fpByte[15] = endByte[30]; 
     fpByte[16] = endByte[37]; 
     fpByte[17] = endByte[ 5]; 
     fpByte[18] = endByte[45]; 
     fpByte[19] = endByte[13]; 
     fpByte[20] = endByte[53]; 
     fpByte[21] = endByte[21]; 
     fpByte[22] = endByte[61]; 
     fpByte[23] = endByte[29]; 
     fpByte[24] = endByte[36]; 
     fpByte[25] = endByte[ 4]; 
     fpByte[26] = endByte[44]; 
     fpByte[27] = endByte[12]; 
     fpByte[28] = endByte[52]; 
     fpByte[29] = endByte[20]; 
     fpByte[30] = endByte[60]; 
     fpByte[31] = endByte[28]; 
     fpByte[32] = endByte[35]; 
     fpByte[33] = endByte[ 3]; 
     fpByte[34] = endByte[43]; 
     fpByte[35] = endByte[11]; 
     fpByte[36] = endByte[51]; 
     fpByte[37] = endByte[19]; 
     fpByte[38] = endByte[59]; 
     fpByte[39] = endByte[27]; 
     fpByte[40] = endByte[34]; 
     fpByte[41] = endByte[ 2]; 
     fpByte[42] = endByte[42]; 
     fpByte[43] = endByte[10]; 
     fpByte[44] = endByte[50]; 
     fpByte[45] = endByte[18]; 
     fpByte[46] = endByte[58]; 
     fpByte[47] = endByte[26]; 
     fpByte[48] = endByte[33]; 
     fpByte[49] = endByte[ 1]; 
     fpByte[50] = endByte[41]; 
     fpByte[51] = endByte[ 9]; 
     fpByte[52] = endByte[49]; 
     fpByte[53] = endByte[17]; 
     fpByte[54] = endByte[57]; 
     fpByte[55] = endByte[25]; 
     fpByte[56] = endByte[32]; 
     fpByte[57] = endByte[ 0]; 
     fpByte[58] = endByte[40]; 
     fpByte[59] = endByte[ 8]; 
     fpByte[60] = endByte[48]; 
     fpByte[61] = endByte[16]; 
     fpByte[62] = endByte[56]; 
     fpByte[63] = endByte[24];
     return fpByte;
    }

    function getBoxBinary(i) {
     var binary = "";
     switch (i) {
       case 0 :binary = "0000";break;
       case 1 :binary = "0001";break;
       case 2 :binary = "0010";break;
       case 3 :binary = "0011";break;
       case 4 :binary = "0100";break;
       case 5 :binary = "0101";break;
       case 6 :binary = "0110";break;
       case 7 :binary = "0111";break;
       case 8 :binary = "1000";break;
       case 9 :binary = "1001";break;
       case 10 :binary = "1010";break;
       case 11 :binary = "1011";break;
       case 12 :binary = "1100";break;
       case 13 :binary = "1101";break;
       case 14 :binary = "1110";break;
       case 15 :binary = "1111";break;
     }
     return binary;
    }
    /*
    * generate 16 keys for xor
    *
    */
    function generateKeys(keyByte){    
     var key   = new Array(56);
     var keys = new Array();  
     
     keys[ 0] = new Array();
     keys[ 1] = new Array();
     keys[ 2] = new Array();
     keys[ 3] = new Array();
     keys[ 4] = new Array();
     keys[ 5] = new Array();
     keys[ 6] = new Array();
     keys[ 7] = new Array();
     keys[ 8] = new Array();
     keys[ 9] = new Array();
     keys[10] = new Array();
     keys[11] = new Array();
     keys[12] = new Array();
     keys[13] = new Array();
     keys[14] = new Array();
     keys[15] = new Array();  
     var loop = [1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1];

     for(i=0;i<7;i++){
       for(j=0,k=7;j<8;j++,k--){
         key[i*8+j]=keyByte[8*k+i];
       }
     }    
     
     var i = 0;
     for(i = 0;i < 16;i ++){
       var tempLeft=0;
       var tempRight=0;
       for(j = 0; j < loop[i];j ++){          
         tempLeft = key[0];
         tempRight = key[28];
         for(k = 0;k < 27 ;k ++){
           key[k] = key[k+1];
           key[28+k] = key[29+k];
         }  
         key[27]=tempLeft;
         key[55]=tempRight;
       }
       var tempKey = new Array(48);
       tempKey[ 0] = key[13];
       tempKey[ 1] = key[16];
       tempKey[ 2] = key[10];
       tempKey[ 3] = key[23];
       tempKey[ 4] = key[ 0];
       tempKey[ 5] = key[ 4];
       tempKey[ 6] = key[ 2];
       tempKey[ 7] = key[27];
       tempKey[ 8] = key[14];
       tempKey[ 9] = key[ 5];
       tempKey[10] = key[20];
       tempKey[11] = key[ 9];
       tempKey[12] = key[22];
       tempKey[13] = key[18];
       tempKey[14] = key[11];
       tempKey[15] = key[ 3];
       tempKey[16] = key[25];
       tempKey[17] = key[ 7];
       tempKey[18] = key[15];
       tempKey[19] = key[ 6];
       tempKey[20] = key[26];
       tempKey[21] = key[19];
       tempKey[22] = key[12];
       tempKey[23] = key[ 1];
       tempKey[24] = key[40];
       tempKey[25] = key[51];
       tempKey[26] = key[30];
       tempKey[27] = key[36];
       tempKey[28] = key[46];
       tempKey[29] = key[54];
       tempKey[30] = key[29];
       tempKey[31] = key[39];
       tempKey[32] = key[50];
       tempKey[33] = key[44];
       tempKey[34] = key[32];
       tempKey[35] = key[47];
       tempKey[36] = key[43];
       tempKey[37] = key[48];
       tempKey[38] = key[38];
       tempKey[39] = key[55];
       tempKey[40] = key[33];
       tempKey[41] = key[52];
       tempKey[42] = key[45];
       tempKey[43] = key[41];
       tempKey[44] = key[49];
       tempKey[45] = key[35];
       tempKey[46] = key[28];
       tempKey[47] = key[31];
       switch(i){
         case 0: for(m=0;m < 48 ;m++){ keys[ 0][m] = tempKey[m]; } break;
         case 1: for(m=0;m < 48 ;m++){ keys[ 1][m] = tempKey[m]; } break;
         case 2: for(m=0;m < 48 ;m++){ keys[ 2][m] = tempKey[m]; } break;
         case 3: for(m=0;m < 48 ;m++){ keys[ 3][m] = tempKey[m]; } break;
         case 4: for(m=0;m < 48 ;m++){ keys[ 4][m] = tempKey[m]; } break;
         case 5: for(m=0;m < 48 ;m++){ keys[ 5][m] = tempKey[m]; } break;
         case 6: for(m=0;m < 48 ;m++){ keys[ 6][m] = tempKey[m]; } break;
         case 7: for(m=0;m < 48 ;m++){ keys[ 7][m] = tempKey[m]; } break;
         case 8: for(m=0;m < 48 ;m++){ keys[ 8][m] = tempKey[m]; } break;
         case 9: for(m=0;m < 48 ;m++){ keys[ 9][m] = tempKey[m]; } break;
         case 10: for(m=0;m < 48 ;m++){ keys[10][m] = tempKey[m]; } break;
         case 11: for(m=0;m < 48 ;m++){ keys[11][m] = tempKey[m]; } break;
         case 12: for(m=0;m < 48 ;m++){ keys[12][m] = tempKey[m]; } break;
         case 13: for(m=0;m < 48 ;m++){ keys[13][m] = tempKey[m]; } break;
         case 14: for(m=0;m < 48 ;m++){ keys[14][m] = tempKey[m]; } break;
         case 15: for(m=0;m < 48 ;m++){ keys[15][m] = tempKey[m]; } break;
       }
     }
     return keys;  
    }

   
    return DES;
});